DURABLE AND LONG-LASTING - The door lock is made of zinc alloy, a solid steel bolt with a diameter of 10 mm, and a waterproof coating that protects the lock from rust and weather. This increases wear resistance, hardness, and ensures the lock is difficult to pick and durable. Keyless Sliding Bolt Lock - Adds a 4-digit PIN to the standard sliding bolt, enhancing your security and privacy. Set your own 4-digit combination by pulling up the handle and turning the lock wheel. Up to 10,000 possible codes can be set. EASY TO INSTALL - Comes with 6 screws. Use an electric screwdriver and drill to mount them on your door frame and tighten the screws after aligning them with the lock cover. Installation takes only a few minutes and is quick and easy. Please feel free to contact us if you have any problems. TWO INSTALLATION METHODS - Our combination bolt supports 2 installation methods: vertical and horizontal. The sliding bolt set comes with a lock cover for horizontal use and a metal buckle for vertical use. (Note: The bolt must be aligned with the lock cover or the side door buckle.) SUITABLE FOR INDOOR AND OUTDOOR USE - The combination lock is ideal for gates, fences, cabinets, sheds, cabinet doors, window grilles, bedrooms, garages, and sheds, etc. The keyless door lock is versatile and essential for your security and peace of mind. Parameter information: Material: Zinc alloy. Color: Black Product description Features: - Material: Zinc alloy, the body is coated with anti-rust coating, waterproof, corrosion-resistant, suitable for long-term use. - Adjustable code design to prevent accidental password changes, safer and more reliable. - Password unlocking, secure and anti-theft, effectively preventing you from forgetting to bring your key. - Easy to use and install, with a 4-digit code and up to 10,000 possible combinations, it provides security for indoor and outdoor applications. - It is the perfect locking solution for gates, wooden doors, sheds, iron gates, barns, fences, and child-safe cabinets in homes and workshops. Two installation methods: Lock installation: The door leaf and door frame are at a right angle of 90 degrees, and the frame must be cut. Lock sleeve installation: The door leaf and frame are on a flat surface. Password setting steps: 1. Set the initial password to 0-0-0-0 and then change it based on the correct password. 2. Turn the switch upwards and rotate the joystick to the right. 3. Turn the password wheel to set the desired number. 4. Do not move the set number and select the joystick back to the original password to successfully set the password. Package contents: 1 x Bolt lock 6 x Screws